@misc{indiciae2f9583e78f04, title = {Effect of groundwater springs on NO3− concentrations during summer in Catskill Mountain streams}, author = {Douglas A. Burns and Peter S. Murdoch and Gregory B. Lawrence and Robert L. Michel}, year = {1998}, doi = {10.1029/98wr01282}, url = {https://pubs.usgs.gov/publication/70020819}, note = {Source identifier: 70020819} }